Fishing tool



Sept. 28, 1937. Hw. sH-.yNlsxoNy FISHING TOOL.`

. Filed sept. 28,` 1956 In venfor Patented sept. 2s, 1937 UNITED STATE sAPMENT oFFlcE;

l FISHING 'rooL Henry W. Shannon, Osage, Okla. l Application september2s, 193s, Serin No. 103,028 I y 1 Claim.

This inventionappertains to new and useful improvements in fishing toolswhereby'the tool and tubing attached thereto 'can-'be removed in theevent the lost tubing gets hung up in the 5 well in such amanner that itcannot be removed vwith the rod is;

and 4 advantages of the invention` willbec'ome rapa..

'parent to the tion. t

In the drawing: Figure 1 is a viewin vertical sec proved tool, l i

Figure 2 is a bottom plan reader of the foll'owing'specica# the line3--3 of Figure 1.

viewjof the tool andI Figure 3 is atransverse sectional view taken on'on of my im- Referring to the drawing wherein like -nu merals designatelike parts it can be seen that numeral 5 represents the shell of thetool which j the invention in specic terms, it is to be underisthickened at its lower portion as at 6 to prothe tubing slips 8 areslidable. These slips are provided with ratchetteeth 9 adapted` to biteinto a well tubing which has been received throughl the opening in thebottom of the shell 5.

30 Numeral Il) represents a cylindrical shoe prov vide' the inclinedslide surfaces 1 against which t vided with an inwardly tapering openingI I ltherein and this is provided with an' internally upstanding wall I2for engagement over the threaded vlower portion of. the shell 5. Thisshoe is exchangeable for other shoes and is provided with a cutout I3 inthe side thereof to facilitate en-` gagement over a well tubing.' i

8 are secured as at 22. A coiled compressible spring 23 circurnscribesthe rod I8 and is interposed between the head I4 and the plate I9.

The upper end of the rod I8 is threaded as at `24 so as to accommodatethe nut 25. A radial bore 26 is provided in the head I4 and visinternally threaded to receive the nut 2l. A rod 28 is slidable throughthe nut 21 and can engage The rod 2B locks the rod `I8 against turning.Numeral 29 represents a spring interposed between a collar on the rod 28and the inner end of the bore 26.

In the operation of the device, it can be seen that the tool can belowered over a lost tube and the slips 8 engaged with said tube.However, should the tube be hung in thev Well so that it `cannot beremoved by the tool the latter can be readily disconnected by lowering asuitable socket wrench through the tubing I1 and screwing thenut 25downwardly on the rod I8 so ras to lift `the slips 8 andpermitdisengagement thereof (from the lost tubing.

AWhile the, foregoing specification sets forth stood that numerouschanges in the shape, sizeV and materials may be resorted to withoutdeparting from the spirit and scope of the invention as claimedhereinafter. I

Having described the invention, what is claimed lsz- A fishing tool ofthe class described comprising a shell having a downwardly convergingslideway in the lower end thereof, a head at the upper end of said shellprovided with a central upstanding sleeve,a rod passing through saidsleeve i The head I4 of the tool is provided with a' and the head intothe said shell and tensioned for movement inwardly of said sleeve,headand shell, a plurality of slips suspended from the inner end of saidrod for cooperation with said slideway, a nut threaded onto the outerend of said rod and seating on the outer end of said sleeve formanipulation against said sleeve to raise said rod and thereby raisesaid slips away from said slideway,

yand a tube connected to the outer end of saidV HENRY W. SHANNON.

